Your agents reason.
klanex executes.

import { generateText, stepCountIs } from "ai";
import { Klanex } from "klanex-sdk";
import { klanexTool } from "klanex-sdk/ai";

const klanex = new Klanex({ apiKey: process.env.KLANEX_API_KEY });

const refund = klanexTool(klanex, {
  description: "Refund a Stripe charge",
  inputSchema: z.object({ charge: z.string(), amount: z.number().int() }),
  target: { url: "https://api.stripe.com/v1/refunds", connectionId: "con_…" },
});

await generateText({ model, tools: { refund }, stopWhen: stepCountIs(5), prompt });

import { Agent, run } from "@openai/agents";
import { klanexTool } from "klanex-sdk/openai-agents";

const refund = klanexTool(klanex, {
  name: "create_refund",
  description: "Refund a Stripe charge",
  parameters: z.object({ charge: z.string(), amount: z.number().int() }),
  target: { url: "https://api.stripe.com/v1/refunds", connectionId: "con_…" },
  requiresApproval: true, // a human approves in Slack first
});

await run(new Agent({ name: "Support", tools: [refund] }), prompt);

// Python: from klanex.adapters import openai_agents_tool

from langchain.agents import create_agent
from klanex import AsyncKlanex
from klanex.adapters import langchain_tool

refund = langchain_tool(
    AsyncKlanex(api_key=KLANEX_API_KEY),
    name="create_refund",
    description="Refund a Stripe charge",
    target={"url": "https://api.stripe.com/v1/refunds", "connection_id": "con_…"},
    payload_schema=refund_schema,  # the tool's own parameters
)

agent = create_agent(model, tools=[refund])
await agent.ainvoke({"messages": [("user", prompt)]})

$ curl -s https://api.klanexai.com/v1/executions \
    -H "X-API-Key: klx_…" \
    -d '{
      "target": { "url": "https://api.stripe.com/v1/refunds",
                  "headers": { "Authorization": "Bearer …" } },
      "payload": { "charge_id": "ch_9f2k", "amount": 500 },
      "payload_schema": { "type": "object", "required": ["charge_id", "amount"] },
      "idempotency_key": "refund-ch_9f2k"
    }'

{"execution_id": "exe_4d0c85a6", "status": "QUEUED"}